At a shop, Xylium paid $56 for 1 marble and 2 beads. The marble cost $8 more than each bead.
- How much is 1 bead?
- How much is 1 marble?
(a)
Cost of 1 bead = 1 u
Cost of 2 beads = 2 u
Cost of 1 marble = 1 u + 8
Total cost of 1 marble and 2 beads
= 2 u + 1 u + 8
= 3 u + 8
3 u + 8 = 56
3 u = 56 - 8
3 u = 48
1 u = 48 ÷ 3 = 16
Cost of 1 bead
= 1 u
= $16
(b)
Cost of 1 marble
= 1 u + 8
= 16 + 8
= $24
Answer(s): (a) $16; (b) $24